24 , 84
The mean of a set of numbers is the sum divided by the number of terms.
24+842
Factor 2 out of 24.
2⋅12+842
Factor 2 out of 84.
2⋅12+2⋅422
Factor 2 out of 2⋅12+2⋅42.
2⋅(12+42)2
Cancel the common factors.
Factor 2 out of 2.
2⋅(12+42)2(1)
Cancel the common factor.
2⋅(12+42)2⋅1
Rewrite the expression.
12+421
Divide 12+42 by 1.
12+42
12+42
12+42
Add 12 and 42.
54
Find the Mean (Arithmetic) 24 , 84